This story is about a Wolf Girl main character (Shinohara, Erika) who is being bully or you could say it blackmail by Black Prince main character
(Sata, Kyouya). It is begin when Wolf Girl explain it to the Black Prince about being a faking as lovers. However, after being told by the Wolf Girl about it, the Black Prince agree about that. But, there one condition being a faking as lovers, the Wolf Girl must be a dog for him. So that why (Shinohara, Erika) being call as Wolf Girl and (Sata, Kyouya) is being call as Black Prince. Basically,
(Sata, Kyouya) turns out to be a black prince and used her. A little, little by little they fall in love with each other :)
